| ADATA Part No. | Capacity | IC Configuration | Description |
| AD4U2666J4G19-B | 4GB | 512MX16 | DDR4 U-DIMM 4GB 2666 (19) |
| AD4U2666J4G19-D | 4GB * 2 | 512MX16 | DDR4 U-DIMM 4GB 2666 (19) |
| AD4U2666J4G19-R | 4GB | 512MX16 | DDR4 U-DIMM 4GB 2666 (19) |
| AD4U2666J4G19-S | 4GB | 512MX16 | DDR4 U-DIMM 4GB 2666 (19) |
| AD4U2666W4G19-2 | 4GB * 2 | 512MX8 | DDR4 U-DIMM 4GB 2666 (19) |
| AD4U2666W4G19-B | 4GB | 512MX8 | DDR4 U-DIMM 4GB 2666 (19) |
| AD4U2666W4G19-D | 4GB * 2 | 512MX8 | DDR4 U-DIMM 4GB 2666 (19) |
| AD4U2666W4G19-R | 4GB | 512MX8 | DDR4 U-DIMM 4GB 2666 (19) |
| AD4U2666W4G19-S | 4GB | 512MX8 | DDR4 U-DIMM 4GB 2666 (19) |
| AD4U266638G19-2 | 8GB * 2 | 1024MX8 | DDR4 U-DIMM 8GB 2666 (19) |
| AD4U266638G19-B | 8GB | 1024MX8 | DDR4 U-DIMM 8GB 2666 (19) |
| AD4U266638G19-D | 8GB * 2 | 1024MX8 | DDR4 U-DIMM 8GB 2666 (19) |
| AD4U266638G19-R | 8GB | 1024MX8 | DDR4 U-DIMM 8GB 2666 (19) |
| AD4U266638G19-S | 8GB | 1024MX8 | DDR4 U-DIMM 8GB 2666 (19) |
| AD4U2666W8G19-D | 8GB * 2 | 512MX8 | DDR4 U-DIMM 8GB 2666 (19) |
| AD4U2666W8G19-R | 8GB | 512MX8 | DDR4 U-DIMM 8GB 2666 (19) |
| AD4U2666W8G19-S | 8GB | 512MX8 | DDR4 U-DIMM 8GB 2666 (19) |
| AD4U2666316G19-2 | 16GB * 2 | 1024MX8 | DDR4 U-DIMM 16GB 2666 (19) |
| AD4U2666316G19-B | 16GB | 1024MX8 | DDR4 U-DIMM 16GB 2666 (19) |
| AD4U2666316G19-D | 16GB * 2 | 1024MX8 | DDR4 U-DIMM 16GB 2666 (19) |
| AD4U2666316G19-R | 16GB | 1024MX8 | DDR4 U-DIMM 16GB 2666 (19) |
| AD4U2666316G19-S | 16GB | 1024MX8 | DDR4 U-DIMM 16GB 2666 (19) |
